<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div>
        你好，我是旺仔
    </div>
    <script>
        const res = '吃瓜群众，在线吃瓜，请勿打扰，否则一律砍死，再见，谢谢'
        person={
            name:'您好',
            age:3000
        }
        console.log(person.age)
        console.log(res)
        alert(res)
        // 添加点击事件
       const it =  document.querySelector('div')
       it.addEventListener('click',function(){
        console.log(this)
       })
    </script>
</body>
</html> 